public IActionResult Create([FromBody] BookItem item)
{
if (item == null)
{
return(BadRequest());
}
/*Item must have valid rating */
if (item.rating != 0)
{
item.rating = BookType.approve_Rating(item.rating);
}
/*Item must have valid genre
* Eliminates any genres added to a book that are not official book genres
* (see BookType class)*/
if (item.genre != null)
{
item.genre = BookType.approve_Genre(item);
}
_context.BookItems.Add(item);
/*Following changes rating according to genre preferances */
BookType.genre_Weights(_context);
BookType.recalculate_Rating(_context);
_context.SaveChanges();
return(CreatedAtRoute("GetBook", new { id = item.Id }, item));
}
public IActionResult Delete(long id)
{
var book = _context.BookItems.FirstOrDefault(t => t.Id == id);
if (book == null)
{
return(NotFound());
}
_context.BookItems.Remove(book);
BookType.genre_Weights(_context);
BookType.recalculate_Rating(_context);
_context.SaveChanges();
return(new NoContentResult());
}
public IActionResult Update(long id, [FromBody] BookItem item)
{
if (item == null || item.Id != id)
{
return(BadRequest());
}
/*Book must be rated from 0 to 10, any rating outside of
* this will automatically be given rating of 0 and not be considered
* for helping to find a book */
if (item.rating != 0)
{
item.rating = BookType.approve_Rating(item.rating);
}
/*Eliminates any genres added to a book that are not official book genres
* see BookType class for all possible book genres*/
if (item.genre != null)
{
item.genre = BookType.approve_Genre(item);
}
var book = _context.BookItems.FirstOrDefault(t => t.Id == id);
if (book == null)
{
return(NotFound());
}
book.Name = item.Name;
_context.BookItems.Update(book);
BookType.genre_Weights(_context);
BookType.recalculate_Rating(_context);
_context.SaveChanges();
return(new NoContentResult());
}